startup.cs

using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Http.Features;
using Microsoft.AspNetCore.HttpsPolicy;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;

namespace TestClients.Web
{
    public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        public IConfiguration Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddControllers();
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }

            //app.UseHttpsRedirection();

            app.UseRouting();

            //app.UseAuthorization();
            app.UseMiddleware<TimeoutMiddleware>();

            app.UseEndpoints(endpoints =>
            {
                endpoints.MapControllers();
            });
        }
    }

    public class TimeoutMiddleware
    {
        private readonly RequestDelegate _next;

        private readonly ConcurrentQueue<HttpContext> _httpContexts;

        public TimeoutMiddleware(RequestDelegate next)
        {
            _next = next;

        }

        public async Task InvokeAsync(HttpContext httpContext)
        {
            var newContext = new DefaultHttpContext(httpContext.Features);

            var res = await _next(newContext);
        }
    }
}

WeatherForecastController.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Edenred.Utils.Library.Logging;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;

namespace TestClients.Web.Controllers
{
    [ApiController]
    [Route("[controller]")]
    public class WeatherForecastController : ControllerBase
    {
        private static readonly string[] Summaries = new[]
        {
            "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
        };

        [HttpGet]
        public async Task<string> Get()
        {
            var result = DateTime.Now.ToString("mm:ss.fff");

            await Task.Delay(2000);

            result = result + " - " + DateTime.Now.ToString("mm:ss.fff");
            return result;
        }
    }
}